Airworthiness directives › 2002-25-01
AD 2002-25-01 Airworthiness Directives; Eurocopter France Model AS332C, AS332L, AS332L1, SA330F, SA330G, and SA330J Helicopters
Models named: AS332C, AS332L, AS332L1, SA330F, SA330G, SA330J. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model AS332C, AS332L, AS332L1, SA330F, SA330G, and SA330J helicopters with a tail rotor pitch change rod (rod) and a bearing, part number 330A33-9903-20, installed, certificated in any category. Note 1: This AD applies to each helicopter identified in the preceding applicability provision, regardless of whether it has been otherwise modified, altered, or repaired in the area subject to the requirements of this AD. For helicopters that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (d) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.
Compliance
Within 20 hours time-in-service (TIS) or 1 month, whichever occurs first, or before installing any tail rotor gearbox previously installed on another helicopter and not inspected within the previous 250 hours TIS, unless accomplished previously, and thereafter at intervals not to exceed 250 hours TIS or 18 months, whichever occurs first. To prevent bearing wear, bearing seizure of the change rod, loss of tail rotor effectiveness, and subsequent loss of control of the helicopter, accomplish the following: (a) Inspect the axial end play of the tail rotor pitch change spider assembly in accordance with the Accomplishment Instructions, paragraph 2.B.1. of Eurocopter France (ECF) Alert Service Bulletin No. 05.81, Revision 2, dated January 18, 2001 (ASB 330) for the ECF Model 330 helicopters or Eurocopter France Alert Service Bulletin No. 05.00.29, Revision 3, dated January 18, 2001, (ASB 332) for the Model 332 helicopters. If the axial end play is not within allowable tolerances, remove the rod bearing from service. (b) Inspect each bearing for spalling, friction, grinding, damaged bearing sealing flanges, overheating at the bearing inner and outer races and the flanges, deposits of corrosion, and shearing or wear marks on the lockwasher in accordance with the Accomplishment Instructions, paragraph 2.B.2., of ASB 330 or ASB332, as applicable. Remove from service any unairworthy bearing. (c) If a bearing is removed from service, before replacing the bearing with an airworthy bearing: (1) Inspect the change rod for visible wear marks or scoring on the bearing journal circumference. If marks or scoring is found, remove the change rod from service. (2) Inspect the bearing housing for visible wear marks or circular scoring. If wear marks or circular scoring is found, repair or replace the bearing housing in accordance with the Accomplishment Instructions, paragraph 2.B.3., of ASB 330 or ASB 332, as applicable. (d) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Regulations Group, Rotorcraft Directorate, FAA. Operators shall submit their requests through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Regulations Group. Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Regulations Group. (e) Special flight permits will not be issued. (f) The inspections required by this AD shall be done in accordance with the Accomplishment Instructions in Eurocopter France Alert Service Bulletin No. 05.81, Revision 2, dated January 18, 2001, for Model 330 helicopters, or Eurocopter France Alert Service Bulletin No. 05.00.29, Revision 3, dated January 18, 2001, for Model 332 helicopters. These incorporations by reference were approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from American Eurocopter Corporation, 2701 Forum Drive, Grand Prairie, Texas 75053-4005, telephone (972) 641-3460, fax (972) 641-3527. Copies may be inspected at the FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth, Texas; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. (g) This amendment becomes effective on January 22, 2003. Note 3: The subject of this AD is addressed in Direction Generale De L'Aviation Civile (France) AD No. 1990-230-041(A) R4, dated February 21, 2001. Issued in Fort Worth, Texas, on November 25, 2002. Eric D. Bries, Acting Manager, Rotorcraft Directorate, Aircraft Certification Service. [FR Doc. 02-31177 Filed 12-17-02; 8:45 am] BILLING CODE 4910-13-P
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1